M 5.0 Earthquake: South Pacific Ocean (Tonga) — November 20, 1989

M 5.0 Earthquake: South Pacific Ocean (Tonga) — November 20, 1989. Epicenter 569 km SW of Nuku'alofa, depth 521 km, 23:54 Local (1989-11-20 11:54 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (569 km SW, Tonga) — -23.716, 179.994

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